Home / 7,914.96-11,870.28-4,400.64

Finding the Fourth Proportional to 7,914.96, 11,870.28 and 4,400.64

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Solution

The fourth proportional to 7,914.96, 11,870.28 and 4,400.64 is: 6,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.96 : 11,870.28 = 4,400.64 : x
  2. Step 2: Convert to fraction form
    7,914.96/11,870.28 = 4,400.64/x
  3. Step 3: Cross multiply
    7,914.96x = 11,870.28 × 4,400.64
  4. Step 4: Simplify right side
    7,914.96x = 52,236,828.98
  5. Step 5: Solve for x
    x = 52,236,828.98/7,914.96
  6. Step 6: Final answer
    x = 6,599.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.